Saved Bookmarks
| 1. |
Visible light, with a frequency of 6.0 × 1014 Hz, is reflected from a spaceship moving directly away at a speed of 0.90c. The frequency of the reflected waves observed at the source is: A. 3.2 × 1013 Hz B. 1.4 × 1014 Hz C. 6.0 × 1014 Hz D. 2.6 × 1015 Hz E. 1.1 × 1016 Hz |
|
Answer» A. 3.2 × 1013 Hz |
|